﻿<p>Shading devices are purpose built devices to protect from the sunlight, from natural light, or screening them from view. Shading devices can form part of the facade or can be mounted inside the building, they can be fixed or operable.</p>

<blockquote class="note">NOTE&nbsp; Also other building elements such as protruding slabs or balconies can act as shading devices. Those elements however have another primary purpose and are defined as <em>IfcSlab</em> or by other subtypes of <em>IfcBuildingElement</em>.
</blockquote>

<blockquote class="history">
HISTORY&nbsp; New entity in IFC4
</blockquote>